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Need to keep cool? We’ve got you covered
hen it comes to harnessing heat, our forefathers sweating it out in this tropical heat showed us how to cool things down, all under one roof. It starts from the top, where they utilised clay roof tiles to slow down the penetration of heat into the interiors. These durable tiles which could last up to a century would re-emit the heat out later as evening comes. Together with other features like ceiling height, ventilation tiles, windows and air-wells among many, the architecture of old worked simultaneously to cool down the sweltering discomforts of the tropical heat. Today, roofs have evolved with the times. Clay roof tiles are still in use but ‘cool roofs’ have now emerged as part of the solution to the heat problem, especially in the concrete jungle. The US Environmental Protection Agency (EPA) has listed cool roofs as one of the building features that could help mitigate the “urban heat island effect”. Urban “heat islands” (where you really don’t want a holiday on) happens when the multiple structures of a city, like buildings, roads, and other infrastructures absorb and re-emit the sun’s heat more than natural landscapes such as forests and water bodies. Thus, the urban areas become “islands” of higher temperatures which could have a difference of between 1-7 degrees higher than outlying areas, the US EPA’s site explained. HERE’S WHY COOL ROOFS ARE…COOL One of its important characteristics is that cool roofs helps to reflect sunlight and heat away from a building, reducing roof
38 March-April 2022 | www.b-i.biz
Yayasan Toh Puan Zurina.
temperatures and saving building owners air-conditioning costs. This energy efficiency causes not only the building itself to require less air-conditioning to keep cool, but it also lowers the ambient temperature around the building and altogether alleviates the urban heat island effect. Hence, looking up, a solution for managing a building’s energy efficiency through the roof may just become a top of mind recommendation in time to come. CSC Steel’s Thermoshield Realcolor® is a proprietary cool roof system specially designed to reduce heat absorption, retain its glossiness and maintain its colour vibrancy. It is based on CSC’s pre-painted galvanized steel (PPGI), or colour-coated steel technology that is generally used in exterior architectural structures and building materials such as roofing, wall cladding, fencing, wall panels and advertising boards.
